The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 1998
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544194 ; 544206 ; 544208 ; 544215 ; 544216 ;
Abstract
New compounds having the formula ##STR1## in which m is 1 or 2; when m is 1, A is a residue selected from those of the formulae ##STR2## and, when m is 2, A is a residue of the formula ##STR3## B is --O--, --NH-- or --SO.sub.2 --, and D is as defined herein, are useful as ultraviolet absorbing agents (UVAs) and a method of improving the sun protection factor of textile fibre material by treating the material with the new compounds.